帮帮我一道gmat数学题,不会做啊。

charlesyang · 发表于 2010-1-22 21:57:04

If an organization were to sell n tickets for a theater production,the total revenue from ticket sales would be 20 percent greater than the total costs of the production.If the organization actually sold all but 5 percent of the n tickets,the total revenue from ticket sales was what percent greater than the total costs of the production?
(A) 4% （B) 10% (C)14% (D)15% (E)18%

mydloveal · 发表于 2010-1-22 22:14:35

tickets的总收入比production多20%，问95%的tickets比production多多少……就是 T=1.2P 95%T=（1.2*95%）P=114%P
答案是多14%

不是难题呀……LZ是不是没看懂all but

charlesyang · 发表于 2010-1-22 22:19:39

可是我查字典all but是nearly，almost的意思。谢谢指教！

liyang229 · 发表于 2010-1-22 22:42:06

帮帮我一道gmat数学题,不会做啊。

sold all, then But... not all but

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